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Reykjavik

$325+ Cheap flights from Illinois to Reykjavik (REK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — REK
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
1 adult, Economy
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Cheap flight deals from Illinois to Reykjavik

Cheapest flights from Illinois to Reykjavik
Explore the most affordable flight options available from Illinois to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 1, 2026.

This Flightnetwork deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:25 pm
ORD
-
KEF
Nonstop6h 05m
Icelandair
Sat 4/254:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 3/1$448
This Gotogate deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:25 pm
ORD
-
KEF
Nonstop6h 15m
Icelandair
Sun 4/264:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 2/25$451
This CrystalTravel deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:25 pm
ORD
-
KEF
Nonstop6h 05m
Icelandair
Fri 4/174:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 2/26$455
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:25 pm
ORD
-
KEF
Nonstop6h 05m
Icelandair
Thu 4/234:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 3/1$473
This Mytrip deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:05 am
ORD
-
KEF
2 stops20h 10m
Multiple Airlines
Mon 4/275:00 pm
KEF
-
ORD
1 stop11h 05m
Multiple Airlines
Deal found 2/25$504
This Cheapflightsfares deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:25 pm
ORD
-
KEF
Nonstop6h 15m
Icelandair
Thu 5/74:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 2/26$509
This CrystalTravel deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:25 pm
ORD
-
KEF
Nonstop6h 15m
Icelandair
Sun 4/264:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 3/1$511
This eDestinos deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:20 pm
ORD
-
KEF
1 stop33h 25m
Scandinavian Airlines
Thu 11/266:05 pm
KEF
-
ORD
1 stop28h 40m
Scandinavian Airlines
Deal found 2/26$522
This deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:25 pm
ORD
-
KEF
Nonstop6h 15m
Icelandair
Sun 4/267:45 pm
KEF
-
ORD
Nonstop6h 40m
Icelandair
Deal found 2/25$544
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:10 pm
STL
-
KEF
1 stop14h 45m
United Airlines
Wed 8/2610:00 am
KEF
-
STL
2 stops31h 49m
United Airlines
Deal found 2/27$558
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:16 am
STL
-
KEF
1 stop18h 14m
United Airlines
Wed 8/2610:00 am
KEF
-
STL
2 stops34h 38m
United Airlines
Deal found 2/28$560
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:10 am
MLI
-
KEF
2 stops19h 35m
United Airlines
Wed 8/2610:00 am
KEF
-
MLI
2 stops34h 05m
United Airlines
Deal found 2/26$567

Find flight deals from Illinois to Reykjavik

Keep the following information in mind while searching for Illinois to Reykjavik flight deals. Data was last updated March 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$449
(CrystalTravel)

One-way from

$325
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$631

Good round-trip deal

$532 or less

Good one-way deal

$323 or less
Provider with most accurate pricing for Chicago (CHI)-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Reykjavik (REK) flights.
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From Illinois to Reykjavik (REK)
Search Deals
One-way flight from Illinois to Reykjavik (REK)
Search Deals
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Reykjavik (REK).
Search Deals
Price to beat on a one-way flight from Illinois to Reykjavik (REK).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Reykjavik that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 1, 2026.
Use the filters below to find and compare flights from Illinois to Reykjavik that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MolineReykjavik

MLI - KEF

MLIKEF

Moline Quad-City

Wed 8/19

8:10 am-8:45 am

2 stops19h 35m

Reykjavik Keflavik Intl

Wed 8/26

10:00 am-3:05 pm

2 stops34h 05m

$567

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 8/18

5:32 pm-8:30 am

1 stop9h 58m

Reykjavik Keflavik Intl

Wed 8/26

10:00 am-8:02 pm

1 stop15h 02m

$573

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Fri 8/14

12:10 pm-7:55 am

1 stop14h 45m

Reykjavik Keflavik Intl

Fri 8/21

9:15 am-6:27 pm

1 stop14h 12m

$667

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Fri 8/14

9:40 pm-8:50 am

1 stop30h 10m

Reykjavik Keflavik Intl

Mon 8/24

9:15 am-10:16 am

1 stop30h 01m

$722

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Tue 4/14

1:06 pm-9:30 am

1 stop15h 24m

Reykjavik Keflavik Intl

Tue 4/21

11:25 am-9:57 pm

1 stop15h 32m

$725

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 4/16

9:30 pm-7:55 am

1 stop29h 25m

Reykjavik Keflavik Intl

Sun 4/19

5:15 pm-5:50 pm

1 stop29h 35m

$727

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Tue 4/14

1:24 pm-9:30 am

2 stops15h 06m

Reykjavik Keflavik Intl

Thu 4/23

11:25 am-10:28 pm

2 stops16h 03m

$729

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Tue 4/14

11:08 am-9:30 am

1 stop17h 22m

Reykjavik Keflavik Intl

Thu 4/23

11:25 am-8:16 pm

2 stops13h 51m

$729

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 5/4

11:19 am-9:30 am

2 stops17h 11m

Reykjavik Keflavik Intl

Mon 5/11

8:50 am-8:19 pm

1 stop16h 29m

$744

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 8/13

8:50 am-7:40 am

1 stop17h 50m

Reykjavik Keflavik Intl

Thu 8/20

11:25 am-8:50 pm

1 stop14h 25m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 49 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Reykjavik

What is the cheapest month to book a flight from Illinois to Reykjavik?

Currently, September is the cheapest month in which you can book a flight from Illinois to Reykjavik (average of $313). Flying from Illinois to Reykjavik in July is currently the most expensive (average of $583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to REK?

Find hourly flight availability from Illinois to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 1, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Reykjavik as you normally would.

Weekly flight availability from Illinois to Reykjavik

Explore weekly flight availability from Illinois to Reykjavik. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 1, 2026.

The most flights from USIL to REK are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Illinois to Reykjavik?

Related info for your journey

Find useful and relevant information for your journey from Illinois to Reykjavik. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Reykjavik?

    United Airlines, Delta, and Finnair can get you from Illinois to Reykjavik in just under 15h 24m. Your travel time can differ by up to 14h 01m. The distance between Illinois and Reykjavik is about 2934 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Reykjavik?

    When deciding which route to take from Illinois to Reykjavik consider Chicago O'Hare Intl - Reykjavik Keflavik Intl, Chicago Midway - Reykjavik Keflavik Intl or Lambert-St Louis - Reykjavik Keflavik Intl as they are the most popular.

  • What are the cheapest flights from Illinois to Reykjavik?

    While on average a flight from Illinois to Reykjavik is generally $1,311, our data shows the cheapest flight currently is $200. When looking at the most popular route, (Chicago O'Hare Intl - Reykjavik Keflavik Intl), you can expect to pay $451 for that flight.

  • Can I find deals for flights from Illinois to Reykjavik that include hotel bookings?

    Yes. In addition to deals on Illinois to Reykjavik flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Reykjavik?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Reykjavik.

  • Can I find deals for business class flights from Illinois to Reykjavik?

    Yes. Cheapflights offers flight deals from Illinois to Reykjavik by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Reykjavik?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Reykjavik (average of $313). Flying from Illinois to Reykjavik in July is currently the most expensive (average of $583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Illinois to Reykjavik

Discover the top 2 airlines that operate flights from Illinois to Reykjavik. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$349Average$708FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$612Average$937FlexibilityNo cancel feeOn-time69%

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